﻿<p>This enumeration is used to identify primary transport element types.</p>

<blockquote class="history">
HISTORY&nbsp; New enumeration in IFC2x.
</blockquote>

<blockquote class="change-ifc2x4">
IFC4 CHANGE&nbsp; New enumerators CRANEWAY and LIFTINGGEAR added in IFC4.
</blockquote>